出典:Wiktionary
From Middle English belouken, bilouken, from 古期英語 belūcan (“to lock up, bring to an end”), from Proto-West Germanic *bilūkan (“to lock up”), equivalent to be- + lock. Cognate with Middle Low German belûken (“to close, secure”), Middle High German belūchen, belouchen (“to enclose, shut in”), obsolete German belochen (“lock up, lock in, include”),
belock (三人称単数 現在形 belocks, 現在分詞 belocking, 過去形および過去分詞形 belocked)